There are many, many great Atari 2600 games that need a paddle controller to effectively play the game. However, if you are emulating an Atari 2600 with the Stella emulator, you don't have a paddle that physically connects to the PC. There's is great news, though. The developers of the Stella emulator thought of this problem and, as usual with the emulator, there is a solution for it. This includes how to change Stella's settings for both for an individual game and a global setting as well.
For complete instructions and a walkthrough
watch the video below